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ways to reduce wildlife-human conflict and avoid wildlife damage.
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Contact information
For information on waterfowl management, contact:
Trenton Rohrer
Assistant Migratory Game Bird Ecologist
Bureau of Wildlife Management

Mississippi River waterfowl aerial surveys


Photo taken by Melanie Guziec, WDNR.

2017 Surveys


Flight crew for 2017 flights:Left to right, Dave Fronczak, USFWS Migratory Bird Management Office Biologist, Brian Lubinski, USFWS Region 3 Pilot/Biologist, Cale Severson, Wisconsin Department of Natural Resources Wildlife Technician

2016 Surveys

Survey Methodology

Strip transects are flown in Mississippi River Pools 4 – 14, 45 m above ground and at 90 knots. Two observers survey each side of the plane and count all waterfowl, which includes ducks, geese and swans for a total distance of 400 meters.

Mississippi River Contact Information

Brenda Kelly
Mississippi River Wildlife Biologist
Bureau of Wildlife Management

How many Canvasbacks do you think are in this photo?


Photo taken by: WDNR staff

Can you identify the predominant waterfowl in this photo?

Ring-necked ducks

Photo taken by: WDNR staff

Last revised: Monday December 11 2017